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发明名称
MANUFACTURE OF HOLLOW EXTRUDED SHAPE HAVING THREE DIMENSIONAL SHAPE CHANGES
摘要
申请公布号
JPS6340614(A)
申请公布日期
1988.02.22
申请号
JP19860183668
申请日期
1986.08.04
申请人
SHOWA ALUM CORP
发明人
SUGIO EIJI;DOUSAKA KOUZOU
分类号
B21C23/10;B21C25/08
主分类号
B21C23/10
代理机构
代理人
主权项
地址
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